GM 700R4 4L60 Late 1987-93 Rebuild Kit This transmission rebuild kit includes the High Energy Alto Friction Plates, Steel Clutch Plates, Sealing Rings, Metal Clad Seals, Gaskets, & O-rings. This kit includes the Steel Clutch Plates! This Transmission Kit is one we sell everyday to Transmission Shops, it fits 1987-93 GM 700-R4 4L60 transmissions. All these Kits have Sealing rings made by SPX/Filtran or Stellar, High Energy Clutches Manufactured by Alto and Gasket Sets made by the Co. TRANSTEC.